/*! normalize.css v3.0.2 | MIT License | git.io/normalize */@import url("https://fonts.googleapis.com/css?family=Open+Sans:400,700&display=swap");html{font-family:sans-serif;-ms-text-size-adjust:100%;-webkit-text-size-adjust:100%}body{margin:0}article,aside,details,figcaption,figure,footer,header,hgroup,main,menu,nav,section,summary{display:block}audio,canvas,progress,video{display:inline-block;vertical-align:baseline}audio:not([controls]){display:none;height:0}[hidden],template{display:none}a{background-color:transparent}a:active,a:hover{outline:0}abbr[title]{border-bottom:1px dotted}b,strong{font-weight:bold}dfn{font-style:italic}h1{font-size:2em;margin:0.67em 0}mark{background:#ff0;color:#000}small{font-size:80%}sub,sup{font-size:75%;line-height:0;position:relative;vertical-align:baseline}sup{top:-0.5em}sub{bottom:-0.25em}img{border:0}svg:not(:root){overflow:hidden}figure{margin:1em 40px}hr{box-sizing:content-box;height:0}pre{overflow:auto}code,kbd,pre,samp{font-family:monospace, monospace;font-size:1em}button,input,optgroup,select,textarea{color:inherit;font:inherit;margin:0}button{overflow:visible}button,select{text-transform:none}button,html input[type="button"],input[type="reset"],input[type="submit"]{-webkit-appearance:button;cursor:pointer}button[disabled],html input[disabled]{cursor:default}button::-moz-focus-inner,input::-moz-focus-inner{border:0;padding:0}input{line-height:normal}input[type="checkbox"],input[type="radio"]{box-sizing:border-box;padding:0}input[type="number"]::-webkit-inner-spin-button,input[type="number"]::-webkit-outer-spin-button{height:auto}input[type="search"]{-webkit-appearance:textfield;box-sizing:content-box}input[type="search"]::-webkit-search-cancel-button,input[type="search"]::-webkit-search-decoration{-webkit-appearance:none}fieldset{border:1px solid #c0c0c0;margin:0 2px;padding:0.35em 0.625em 0.75em}legend{border:0;padding:0}textarea{overflow:auto}optgroup{font-weight:bold}table{border-collapse:collapse;border-spacing:0}td,th{padding:0}.highlight table td{padding:5px}.highlight table pre{margin:0}.highlight .cm{color:#999988;font-style:italic}.highlight .cp{color:#999999;font-weight:bold}.highlight .c1{color:#999988;font-style:italic}.highlight .cs{color:#999999;font-weight:bold;font-style:italic}.highlight .c,.highlight .cd{color:#999988;font-style:italic}.highlight .err{color:#a61717;background-color:#e3d2d2}.highlight .gd{color:#000000;background-color:#ffdddd}.highlight .ge{color:#000000;font-style:italic}.highlight .gr{color:#aa0000}.highlight .gh{color:#999999}.highlight .gi{color:#000000;background-color:#ddffdd}.highlight .go{color:#888888}.highlight .gp{color:#555555}.highlight .gs{font-weight:bold}.highlight .gu{color:#aaaaaa}.highlight .gt{color:#aa0000}.highlight .kc{color:#000000;font-weight:bold}.highlight .kd{color:#000000;font-weight:bold}.highlight .kn{color:#000000;font-weight:bold}.highlight .kp{color:#000000;font-weight:bold}.highlight .kr{color:#000000;font-weight:bold}.highlight .kt{color:#445588;font-weight:bold}.highlight .k,.highlight .kv{color:#000000;font-weight:bold}.highlight .mf{color:#009999}.highlight .mh{color:#009999}.highlight .il{color:#009999}.highlight .mi{color:#009999}.highlight .mo{color:#009999}.highlight .m,.highlight .mb,.highlight .mx{color:#009999}.highlight .sb{color:#d14}.highlight .sc{color:#d14}.highlight .sd{color:#d14}.highlight .s2{color:#d14}.highlight .se{color:#d14}.highlight .sh{color:#d14}.highlight .si{color:#d14}.highlight .sx{color:#d14}.highlight .sr{color:#009926}.highlight .s1{color:#d14}.highlight .ss{color:#990073}.highlight .s{color:#d14}.highlight .na{color:#008080}.highlight .bp{color:#999999}.highlight .nb{color:#0086B3}.highlight .nc{color:#445588;font-weight:bold}.highlight .no{color:#008080}.highlight .nd{color:#3c5d5d;font-weight:bold}.highlight .ni{color:#800080}.highlight .ne{color:#990000;font-weight:bold}.highlight .nf{color:#990000;font-weight:bold}.highlight .nl{color:#990000;font-weight:bold}.highlight .nn{color:#555555}.highlight .nt{color:#000080}.highlight .vc{color:#008080}.highlight .vg{color:#008080}.highlight .vi{color:#008080}.highlight .nv{color:#008080}.highlight .ow{color:#000000;font-weight:bold}.highlight .o{color:#000000;font-weight:bold}.highlight .w{color:#bbbbbb}.highlight{background-color:#f8f8f8}*{box-sizing:border-box}body{padding:0;margin:0;font-family:"Open Sans", "Helvetica Neue", Helvetica, Arial, sans-serif;font-size:16px;line-height:1.5;color:#606c71}#skip-to-content{height:1px;width:1px;position:absolute;overflow:hidden;top:-10px}#skip-to-content:focus{position:fixed;top:10px;left:10px;height:auto;width:auto;background:#e19447;outline:thick solid #e19447}a{color:#1e6bb8;text-decoration:none}a:hover{text-decoration:underline}.btn{display:inline-block;margin-bottom:1rem;color:rgba(255,255,255,0.7);background-color:rgba(255,255,255,0.08);border-color:rgba(255,255,255,0.2);border-style:solid;border-width:1px;border-radius:0.3rem;transition:color 0.2s, background-color 0.2s, border-color 0.2s}.btn:hover{color:rgba(255,255,255,0.8);text-decoration:none;background-color:rgba(255,255,255,0.2);border-color:rgba(255,255,255,0.3)}.btn+.btn{margin-left:1rem}@media screen and (min-width: 64em){.btn{padding:0.75rem 1rem}}@media screen and (min-width: 42em) and (max-width: 64em){.btn{padding:0.6rem 0.9rem;font-size:0.9rem}}@media screen and (max-width: 42em){.btn{display:block;width:100%;padding:0.75rem;font-size:0.9rem}.btn+.btn{margin-top:1rem;margin-left:0}}.page-header{color:#fff;text-align:center;background-color:#159957;background-image:linear-gradient(120deg, #155799, #159957)}@media screen and (min-width: 64em){.page-header{padding:5rem 6rem}}@media screen and (min-width: 42em) and (max-width: 64em){.page-header{padding:3rem 4rem}}@media screen and (max-width: 42em){.page-header{padding:2rem 1rem}}.project-name{margin-top:0;margin-bottom:0.1rem}@media screen and (min-width: 64em){.project-name{font-size:3.25rem}}@media screen and (min-width: 42em) and (max-width: 64em){.project-name{font-size:2.25rem}}@media screen and (max-width: 42em){.project-name{font-size:1.75rem}}.project-tagline{margin-bottom:2rem;font-weight:normal;opacity:0.7}@media screen and (min-width: 64em){.project-tagline{font-size:1.25rem}}@media screen and (min-width: 42em) and (max-width: 64em){.project-tagline{font-size:1.15rem}}@media screen and (max-width: 42em){.project-tagline{font-size:1rem}}.main-content{word-wrap:break-word}.main-content :first-child{margin-top:0}@media screen and (min-width: 64em){.main-content{max-width:64rem;padding:2rem 6rem;margin:0 auto;font-size:1.1rem}}@media screen and (min-width: 42em) and (max-width: 64em){.main-content{padding:2rem 4rem;font-size:1.1rem}}@media screen and (max-width: 42em){.main-content{padding:2rem 1rem;font-size:1rem}}.main-content kbd{background-color:#fafbfc;border:1px solid #c6cbd1;border-bottom-color:#959da5;border-radius:3px;box-shadow:inset 0 -1px 0 #959da5;color:#444d56;display:inline-block;font-size:11px;line-height:10px;padding:3px 5px;vertical-align:middle}.main-content img{max-width:100%}.main-content h1,.main-content h2,.main-content h3,.main-content h4,.main-content h5,.main-content h6{margin-top:2rem;margin-bottom:1rem;font-weight:normal;color:#159957}.main-content p{margin-bottom:1em}.main-content code{padding:2px 4px;font-family:Consolas, "Liberation Mono", Menlo, Courier, monospace;font-size:0.9rem;color:#567482;background-color:#f3f6fa;border-radius:0.3rem}.main-content pre{padding:0.8rem;margin-top:0;margin-bottom:1rem;font:1rem Consolas, "Liberation Mono", Menlo, Courier, monospace;color:#567482;word-wrap:normal;background-color:#f3f6fa;border:solid 1px #dce6f0;border-radius:0.3rem}.main-content pre>code{padding:0;margin:0;font-size:0.9rem;color:#567482;word-break:normal;white-space:pre;background:transparent;border:0}.main-content .highlight{margin-bottom:1rem}.main-content .highlight pre{margin-bottom:0;word-break:normal}.main-content .highlight pre,.main-content pre{padding:0.8rem;overflow:auto;font-size:0.9rem;line-height:1.45;border-radius:0.3rem;-webkit-overflow-scrolling:touch}.main-content pre code,.main-content pre tt{display:inline;max-width:initial;padding:0;margin:0;overflow:initial;line-height:inherit;word-wrap:normal;background-color:transparent;border:0}.main-content pre code:before,.main-content pre code:after,.main-content pre tt:before,.main-content pre tt:after{content:normal}.main-content ul,.main-content ol{margin-top:0}.main-content blockquote{padding:0 1rem;margin-left:0;color:#819198;border-left:0.3rem solid #dce6f0}.main-content blockquote>:first-child{margin-top:0}.main-content blockquote>:last-child{margin-bottom:0}.main-content table{display:block;width:100%;overflow:auto;word-break:normal;word-break:keep-all;-webkit-overflow-scrolling:touch}.main-content table th{font-weight:bold}.main-content table th,.main-content table td{padding:0.5rem 1rem;border:1px solid #e9ebec}.main-content dl{padding:0}.main-content dl dt{padding:0;margin-top:1rem;font-size:1rem;font-weight:bold}.main-content dl dd{padding:0;margin-bottom:1rem}.main-content hr{height:2px;padding:0;margin:1rem 0;background-color:#eff0f1;border:0}.site-footer{padding-top:2rem;margin-top:2rem;border-top:solid 1px #eff0f1}@media screen and (min-width: 64em){.site-footer{font-size:1rem}}@media screen and (min-width: 42em) and (max-width: 64em){.site-footer{font-size:1rem}}@media screen and (max-width: 42em){.site-footer{font-size:0.9rem}}.site-footer-owner{display:block;font-weight:bold}.site-footer-credits{color:#819198}body,.page-header,.main-content,.site-footer,a,code,pre,table,blockquote,.btn,kbd,.sidebar,.sidebar a,.scroll-top-btn,.progress-bar{transition:background-color 0.3s ease, color 0.3s ease, border-color 0.3s ease}.progress-bar{position:fixed;top:0;left:0;width:0%;height:3px;background:linear-gradient(90deg, #159957, #155799);z-index:100;transition:width 0.1s linear}.wrapper{display:flex;max-width:90rem;margin:0 auto;position:relative}.main-content{flex:1;min-width:0;word-wrap:break-word;padding:2rem 3rem;max-width:none;margin:0;transition:margin-left 0.25s ease}.sidebar{width:260px;min-width:260px;position:sticky;top:0;height:100vh;overflow-y:auto;overflow-x:hidden;border-right:1px solid #eff0f1;background-color:#fafbfc;padding:0;z-index:5;scrollbar-width:thin;transition:width 0.25s ease, min-width 0.25s ease}.sidebar::-webkit-scrollbar{width:4px}.sidebar::-webkit-scrollbar-thumb{background-color:#d1d5db;border-radius:2px}.sidebar-collapse-btn{display:flex;align-items:center;justify-content:center;width:100%;height:32px;border:none;border-bottom:1px solid #e9ebec;background:transparent;cursor:pointer;color:#656d76;font-size:12px;padding:0;transition:color 0.15s, background-color 0.15s;flex-shrink:0}.sidebar-collapse-btn:hover{background-color:#eaeef2;color:#24292f}.collapse-icon{display:inline-block;transition:transform 0.25s ease}.sidebar-expand-btn{display:none;position:fixed;top:50%;left:0;transform:translateY(-50%);width:24px;height:56px;border:1px solid #d0d7de;border-left:none;border-radius:0 6px 6px 0;background:#ffffff;cursor:pointer;font-size:11px;color:#656d76;padding:0;z-index:6;box-shadow:2px 0 8px rgba(0,0,0,0.08);transition:background-color 0.15s, color 0.15s, opacity 0.25s ease}.sidebar-expand-btn:hover{background-color:#f3f4f6;color:#24292f}html.sidebar-collapsed .sidebar-expand-btn{display:flex;align-items:center;justify-content:center}html.sidebar-collapsed .sidebar{width:0;min-width:0;overflow:hidden;border-right:none}html.sidebar-collapsed .sidebar-collapse-btn{border-bottom:none}html.sidebar-collapsed .collapse-icon{transform:rotate(180deg)}.sidebar-toggle{display:none;position:absolute;top:1rem;left:1rem;width:36px;height:36px;border-radius:6px;border:1px solid rgba(255,255,255,0.3);background:rgba(255,255,255,0.1);cursor:pointer;font-size:18px;line-height:1;color:#fff;padding:0;z-index:20;backdrop-filter:blur(4px)}.sidebar-toggle:hover{background:rgba(255,255,255,0.2);border-color:rgba(255,255,255,0.5)}.sidebar-overlay{display:none;position:fixed;top:0;left:0;right:0;bottom:0;background:rgba(0,0,0,0.4);z-index:4}.sidebar-overlay.visible{display:block}.sidebar-nav{padding:1rem 0}.sidebar-section{padding:0 1.25rem;margin-bottom:1.25rem}.sidebar-heading{font-size:0.75rem;font-weight:700;text-transform:uppercase;letter-spacing:0.05em;color:#656d76;margin:0 0 0.5rem 0;padding:0}.sidebar-heading a{color:#656d76;text-decoration:none}.sidebar-heading a:hover{color:#1e6bb8}.sidebar-links{list-style:none;margin:0;padding:0}.sidebar-links li{margin:0;padding:0}.sidebar-links a{display:block;padding:0.35rem 0.5rem;font-size:0.875rem;color:#24292f;text-decoration:none;border-radius:4px;transition:background-color 0.15s, color 0.15s}.sidebar-links a:hover{background-color:#eaeef2;color:#1e6bb8}.sidebar-links a.toc-h3{padding-left:1.25rem;font-size:0.8rem}.sidebar-links a.active{background-color:#ddf4ff;color:#0969da;font-weight:600}.scroll-top-btn{display:none;position:fixed;bottom:2rem;right:2rem;width:40px;height:40px;border-radius:50%;border:1px solid #d0d7de;background:#ffffff;cursor:pointer;font-size:18px;color:#656d76;align-items:center;justify-content:center;z-index:50;box-shadow:0 2px 8px rgba(0,0,0,0.12);padding:0;transition:background-color 0.15s, color 0.15s, transform 0.15s}.scroll-top-btn:hover{background-color:#f3f4f6;color:#24292f;transform:translateY(-2px)}.reading-time{display:block;font-size:0.85rem;color:rgba(255,255,255,0.65);margin-top:0.75rem;font-style:italic}.page-nav{display:flex;justify-content:space-between;margin-top:3rem;padding-top:1.5rem;border-top:1px solid #eff0f1}.page-nav-link{display:flex;align-items:center;gap:0.5rem;padding:0.6rem 1rem;border:1px solid #d0d7de;border-radius:6px;text-decoration:none;color:#24292f;font-size:0.9rem;transition:background-color 0.15s, border-color 0.15s}.page-nav-link:hover{background-color:#f3f4f6;border-color:#1e6bb8;text-decoration:none}.page-nav-prev{margin-right:auto}.page-nav-next{margin-left:auto}.page-nav-arrow{font-size:1.1rem}.page-nav-empty{visibility:hidden}.collapsible-section{border-bottom:1px solid #eff0f1;margin-bottom:0.5rem}.collapsible-toggle{cursor:pointer;user-select:none;position:relative;padding-right:2rem !important}.collapsible-toggle:hover{color:#159957}.collapsible-arrow{position:absolute;right:0;top:50%;transform:translateY(-50%);font-size:1.2rem;transition:transform 0.2s ease;color:#656d76}.collapsible-content{overflow:hidden;max-height:8000px;transition:max-height 0.4s ease, opacity 0.3s ease, padding 0.3s ease;opacity:1;padding-bottom:1rem}.collapsible-section.collapsed .collapsible-content{max-height:0;opacity:0;padding-bottom:0}.collapsible-section.collapsed .collapsible-arrow{transform:translateY(-50%) rotate(-90deg)}.collapsible-section.collapsed{border-bottom:1px solid #eff0f1}.copy-btn{font-size:0.75rem;padding:2px 8px;margin-right:0.5rem;border:1px solid #d0d7de;border-radius:4px;background:#f6f8fa;cursor:pointer;color:#656d76;vertical-align:middle;transition:background-color 0.15s}.copy-btn:hover{background:#eaeef2}.copy-btn-block{position:absolute;top:0.5rem;right:0.5rem;font-size:0.8rem;padding:4px 8px}.theme-toggle{position:absolute;top:1rem;right:1rem;width:36px;height:36px;border-radius:50%;border:1px solid rgba(255,255,255,0.3);background:rgba(255,255,255,0.1);cursor:pointer;font-size:16px;line-height:1;padding:0;display:flex;align-items:center;justify-content:center;transition:background 0.2s, border-color 0.2s;z-index:10;backdrop-filter:blur(4px)}.theme-toggle:hover{background:rgba(255,255,255,0.2);border-color:rgba(255,255,255,0.5)}.page-header{position:relative}.theme-toggle-icon-dark{display:none}.theme-toggle-icon-light{display:inline}html[data-theme="dark"] .theme-toggle-icon-dark{display:inline}html[data-theme="dark"] .theme-toggle-icon-light{display:none}html[data-theme="dark"] .progress-bar{background:linear-gradient(90deg, #7ee787, #58a6ff)}html[data-theme="dark"] body{background-color:#0d1117;color:#c9d1d9}html[data-theme="dark"] .page-header{background:linear-gradient(135deg, #1a1a3e 0%, #0d3b2e 100%)}html[data-theme="dark"] .project-name{color:#7ee787}html[data-theme="dark"] .project-tagline{color:#8b949e}html[data-theme="dark"] .main-content h1,html[data-theme="dark"] .main-content h2,html[data-theme="dark"] .main-content h3,html[data-theme="dark"] .main-content h4,html[data-theme="dark"] .main-content h5,html[data-theme="dark"] .main-content h6{color:#7ee787}html[data-theme="dark"] .main-content h1::before,html[data-theme="dark"] .main-content h2::before{color:#30363d}html[data-theme="dark"] .main-content a{color:#58a6ff}html[data-theme="dark"] .main-content a:hover{color:#79c0ff}html[data-theme="dark"] .main-content code,html[data-theme="dark"] .main-content pre{background-color:#161b22;border-color:#30363d;color:#c9d1d9}html[data-theme="dark"] .main-content pre>code{color:#c9d1d9}html[data-theme="dark"] .main-content .highlight{background-color:#161b22}html[data-theme="dark"] .main-content table{border-color:#30363d}html[data-theme="dark"] .main-content table th{background-color:#161b22;color:#7ee787;border-color:#30363d}html[data-theme="dark"] .main-content table td{border-color:#30363d}html[data-theme="dark"] .main-content table tr{background-color:#0d1117;border-color:#30363d}html[data-theme="dark"] .main-content table tr:nth-child(2n){background-color:#161b22}html[data-theme="dark"] .main-content blockquote{color:#8b949e;border-left-color:#30363d;background-color:#161b22}html[data-theme="dark"] .main-content hr{background-color:#30363d}html[data-theme="dark"] .site-footer{color:#8b949e}html[data-theme="dark"] .site-footer-credits{color:#484f58}html[data-theme="dark"] .btn{color:#58a6ff;border-color:#30363d;background-color:#21262d}html[data-theme="dark"] .btn:hover{color:#79c0ff;border-color:#58a6ff}html[data-theme="dark"] img{opacity:0.9}html[data-theme="dark"] strong,html[data-theme="dark"] b{color:#f0f6fc}html[data-theme="dark"] kbd{background-color:#161b22;border-color:#30363d;color:#c9d1d9;box-shadow:inset 0 -1px 0 #30363d}html[data-theme="dark"] .sidebar{background-color:#161b22;border-right-color:#30363d}html[data-theme="dark"] .sidebar-collapse-btn{color:#8b949e;border-bottom-color:#30363d}html[data-theme="dark"] .sidebar-collapse-btn:hover{background-color:#21262d;color:#c9d1d9}html[data-theme="dark"] .sidebar-expand-btn{background-color:#21262d;border-color:#30363d;color:#8b949e;box-shadow:2px 0 8px rgba(0,0,0,0.3)}html[data-theme="dark"] .sidebar-expand-btn:hover{background-color:#30363d;color:#c9d1d9}html[data-theme="dark"] .sidebar::-webkit-scrollbar-thumb{background-color:#30363d}html[data-theme="dark"] .sidebar-heading{color:#8b949e}html[data-theme="dark"] .sidebar-heading a{color:#8b949e}html[data-theme="dark"] .sidebar-heading a:hover{color:#58a6ff}html[data-theme="dark"] .sidebar-links a{color:#c9d1d9}html[data-theme="dark"] .sidebar-links a:hover{background-color:#21262d;color:#58a6ff}html[data-theme="dark"] .sidebar-links a.active{background-color:#0d419d;color:#79c0ff}html[data-theme="dark"] .scroll-top-btn{background-color:#21262d;border-color:#30363d;color:#8b949e;box-shadow:0 2px 8px rgba(0,0,0,0.3)}html[data-theme="dark"] .scroll-top-btn:hover{background-color:#30363d;color:#c9d1d9}html[data-theme="dark"] .page-nav{border-top-color:#30363d}html[data-theme="dark"] .page-nav-link{color:#c9d1d9;border-color:#30363d}html[data-theme="dark"] .page-nav-link:hover{background-color:#21262d;border-color:#58a6ff}html[data-theme="dark"] .collapsible-section{border-bottom-color:#30363d}html[data-theme="dark"] .collapsible-toggle:hover{color:#7ee787}html[data-theme="dark"] .collapsible-arrow{color:#8b949e}html[data-theme="dark"] .collapsible-section.collapsed{border-bottom-color:#30363d}html[data-theme="dark"] .copy-btn{background:#21262d;border-color:#30363d;color:#8b949e}html[data-theme="dark"] .copy-btn:hover{background:#30363d}@media screen and (max-width: 48em){.sidebar-toggle{display:flex;align-items:center;justify-content:center}.wrapper{display:block}.sidebar{position:fixed;top:0;left:0;width:280px;min-width:auto;height:100vh;z-index:15;transform:translateX(-100%);transition:transform 0.25s ease;box-shadow:none}.sidebar.open{transform:translateX(0);box-shadow:4px 0 16px rgba(0,0,0,0.15)}html.sidebar-collapsed .sidebar{width:280px;min-width:auto;transform:translateX(-100%);border-right:1px solid #eff0f1}.sidebar-collapse-btn{display:flex}.main-content{padding:1.5rem 1rem}body.sidebar-open{overflow:hidden}.scroll-top-btn{bottom:1.5rem;right:1rem}.page-nav{flex-direction:column;gap:0.5rem}.page-nav-prev,.page-nav-next{margin:0}}
